d/d/
Touch the tip of your tongue to the roof of your mouth just behind your teeth. Add vocal cord vibration as you release.
How to pronounce deciding in American English
duh·SAHY·duhng
Start here
Americans pronounce deciding as duh-SAHY-duhng (/dəˈsaɪdəŋ/). In "deciding", the "t" between vowels sounds like a quick "d" — the tongue briefly taps the ridge behind the upper teeth. This is called the Flap T, and it's why Americans sound more relaxed than the textbook. So instead of tuh·SAHY·tuhng, you get duh·SAHY·duhng. Stress falls on the second syllable — keep everything else short and quick. You'll hear it in sentences like "He checks the weather forecast before deciding what to wear" or "I usually read the reviews before deciding which movie to watch" — more examples below.
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Sound by sound
Every sound in "deciding".
3 syllables, 7 sounds. Tap a syllable to jump to its row, then explore each sound's mouth shape and how it's made.
uh/ʌ/
Relax your lips, jaw, and tongue completely. Drop your jaw slightly and keep the tongue neutral.
s/s/
Place your tongue tip near the roof of your mouth behind your top teeth. Push air through the narrow gap. No voicing.
ahy/aɪ/
Start with your jaw open wide and your tongue resting low and flat. Glide the front of your tongue up toward the roof of your mouth as your jaw closes halfway.
d/d/
FlapQuickly bounce the front of your tongue against the roof of your mouth. Same as Flap T — a quick tap without stopping airflow.
uh/ʌ/
Relax your lips, jaw, and tongue completely. Drop your jaw slightly and keep the tongue neutral.
ng/ŋ/
Lift the back of your tongue to the soft palate. Lower your soft palate to let air flow through your nose.
In real conversation
Hear "deciding" in the wild.
Click any sentence to see the full breakdown — every link, every reduction, every flap-T.
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Watch out
Common pronunciation mistakes in American English.
The textbook way isn't wrong — it's just not how anyone actually says it.
01
Saying a hard "T" in the middle.
In "deciding", the "t" between vowels sounds like a quick "d" — the tongue briefly taps the ridge behind the upper teeth. /t/ or /d/ becomes a quick tap [ɾ] — sounds like a soft D. The tongue briefly taps the ridge behind the upper teeth.
tuh-SAHY-tuhng→duh·SAHY·duhng
02
Stressing the wrong syllable.
Stress falls on the second syllable, not the others. Stretch SAHY — keep everything else short and quick.
DUH·sahy·DUHNG→duh·SAHY·duhng
03
Pronouncing the first syllable too fully.
Don't pronounce the first syllable too fully. The unstressed syllable reduces to a schwa — the lazy "uh" sound — in casual speech.
DUH·SAHY·duhng→duh·SAHY·duhng
Questions
Questions people ask about this.
How is "deciding" stressed in American English?
Stress falls on the second syllable — say "SAHY" with a longer, fuller vowel and keep every other syllable short and quick. The respell "duh-SAHY-duhng" marks the stressed syllable in capitals so the rhythm is easy to read at a glance.
Why doesn't the T sound like a T in "deciding"?
In American English, when /t/ sits between two vowels with the second one unstressed, it turns into a quick D-like flap. So "deciding" sounds closer to "duh-SAHY-duhng" than to a crisp-T pronunciation. This is the flap-T rule, one of the most distinctive sounds of casual American speech.
Why does the first syllable in "deciding" reduce to "uh"?
Unstressed syllables in American English collapse toward a schwa — a lazy, neutral "uh" sound. The full vowel is what textbooks teach, but in actual American speech every unstressed vowel reduces. The respell "duh-SAHY-duhng" shows the reduced form so you can hear the casual rhythm directly.
Is the American pronunciation of "deciding" different from British English?
American English uses different vowel shapes, a relaxed retroflex R, and connected-speech tricks like flap-T and glottal-stop T that British Received Pronunciation generally avoids. The respell "duh-SAHY-duhng" reflects the casual American form; British dictionaries typically print a citation form with crisper consonants and different vowel choices.
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